Application Request Routing (ARR) is an extension to Internet Information Server (IIS), which enables an IIS server to function as a load balancer.
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.